Battery tester



FIG. 1 is a front, bottom right perspective view of a battery tester showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a front, bottom right perspective view of another embodiment of the battery tester showing my new design;

FIG. 9 is a front elevation view thereof;

FIG. 10 is a rear elevation view thereof;

FIG. 11 is a left side elevation view thereof;

FIG. 12 is a right side elevation view thereof;

FIG. 13 is a top plan view thereof; and,

FIG. 14 is a bottom plan view thereof.

The broken lines shown in FIGS. 3-7 and 10-14 illustrate environmental subject matter and form no part of the claimed design. 

CLAIM The ornamental design for a battery tester, as shown and described. 